Diancie-Mega @ Diancite  
Ability: Clear Body  
EVs: 28 HP / 140 Atk / 68 SpA / 20 SpD / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Hidden Power [Fire]  
- Protect  

Volcarona @ Buginium Z  
Ability: Swarm  
EVs: 80 HP / 4 Def / 200 SpA / 4 SpD / 220 Spe  
Timid Nature  
IVs: 0 Atk  
- Heat Wave  
- Bug Buzz  
- Quiver Dance  
- Protect  

Kartana @ Mago Berry  
Ability: Beast Boost  
EVs: 68 HP / 52 Atk / 180 SpD / 208 Spe  
Jolly Nature  
- Leaf Blade  
- Sacred Sword  
- Tailwind  
- Detect  

Zeraora @ Assault Vest  
Ability: Volt Absorb  
EVs: 168 HP / 60 SpA / 84 SpD / 196 Spe  
Timid Nature  
- Fake Out  
- Volt Switch  
- Snarl  
- Hidden Power [Ice]  

Tapu Fini @ Wiki Berry  
Ability: Misty Surge  
EVs: 252 HP / 64 Def / 92 SpA / 68 SpD / 32 Spe  
Bold Nature  
IVs: 0 Atk  
- Muddy Water  
- Moonblast  
- Calm Mind  
- Protect  

Landorus-Therian @ Choice Scarf  
Ability: Intimidate  
EVs: 40 HP / 252 SpA / 56 SpD / 160 Spe  
Timid Nature  
- Earth Power  
- Hidden Power [Ice]  
- U-turn  
- Defog